S-8077A726 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and Black Oxide finish, ideal for harsh industrial environments.
• Precise alignment and reduced wear due to the knurled head and standard shoulder fit, ensuring stable component positioning.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for demanding mechanical applications.
• Reliable thread engagement with Class 3A thread fit and UNC coarse threads, providing secure fastening and vibration resistance.
• Easy installation and removal using a hex drive (3/32"), allowing for efficient assembly in confined spaces.
• Durable and compliant design meeting RoHS 3 and REACH standards, ensuring safety and environmental responsibility.
• Consistent dimensional accuracy with tight shoulder diameter and length tolerances, guaranteeing repeatable performance.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and industrial equipment. The 316 Stainless Steel material combined with a Black Oxide finish provides exceptional resistance to corrosion and oxidation, extending service life in moist or chemical-exposed settings. The Class 3A thread fit and coarse UNC threads ensure quick assembly and high vibration resistance, reducing maintenance needs. With a knurled head for improved grip and a standardized shoulder diameter of 3/16", it facilitates accurate alignment in pivots, bearings, and linkages, minimizing wear and enhancing operational reliability. Ideal for applications requiring high tensile strength and compliance with industry regulations, these screws deliver consistent performance in automotive, aerospace, and manufacturing environments.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and UNC thread specifications. The shoulder diameter is 3/16" with a tolerance of -0.004" to -0.002", and the shoulder length is 11/16" with a tolerance of -0.005" to 0.005", ensuring reliable fit and function. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safe industrial use. Manufactured to high hardness (Rockwell B79) and strength metrics, it meets rigorous engineering demands without compromising on regulatory standards.